{"version":"1.0","type":"rich","title":"Chloropleth Election","description":"This choropleth displays all U.S. counties in a light gray with subtle borders, using an AlbersUSA projection. When the user hovers over a county, a tooltip appears showing the county name and its state, assembled from FIPS codes via nested lookup tables. County boundary geometry comes from a 20m Census shapefile, rendered as SVG paths with D3 v3.","provider_name":"VizHub AI Studio","provider_url":"https://next.vizhub.com","html":"<iframe src=\"https://next.vizhub.com/viz/gist-e332808eadfd0bbe1d6185684a4b176c?mode=embed\" width=\"960\" height=\"550\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":550,"cache_age":3600}